Haplothrips, Amyot & Audinet-Serville, 1843

Mound, Laurence A., 2019, Identification of Haplothrips species from Malesia (Thysanoptera, Phlaeothripinae), Zootaxa 4623 (1), pp. 41-50 : 42

Key to Haplothrips species from Malesia

1. Fore wing without duplicated cilia distally on posterior margin................................................. 2

-. Fore wing with duplicated cilia distally on posterior margin.................................................... 3

2. Pronotum with only epimeral setae larger than discal setae ( Fig. 6 ).......................................... timori

-. Pronotum with 5 pairs of major setae................................................................ robustus

3. Antennal segment III with 2 sense cones................................................................... 4

-. Antennal segment III with 1 sense cone.................................................................... 8

4. Antennal segment IV with 3 sense cones................................................................... 5

-. Antennal segment IV with 4 sense cones................................................................... 6

5. Fore tarsus with curved tooth at inner apex ( Fig. 3 ); antennal segments IV–VI yellow at base ( Fig. 3 ); all femora yellow.............................................................................................. aliceae sp.n.

-. Fore tarsus with tooth minute or absent; antennal segments IV–VI uniformly brown; femora variously shaded brown ( Fig. 18 )............................................................................................ incognitus

6. Mid and hind tibiae and tarsi clear yellow....................................................... bituberculatus

-. Mid and hind tibiae light to dark brown.................................................................... 7

7. Tergite IX S1 setae longer than tube; sense cones on antennal segment III equally large and stout ( Fig. 17 ); fore wing sub-basal setae S3 weakly capitate.......................................................................... gowdeyi

-. Tergite IX S1 setae no more than 0.75 as long as tube; inner sense cone on antennal segment III smaller and thinner than outer; fore wing sub-basal setae S3 acute............................................................... tenuipennis

8. Maxillary stylets close together, less than 0.25 of head width apart ( Fig. 11 )....................................... 9

-. Maxillary stylets more than 0.3 of head width apart ( Figs 9–10 )............................................... 10

9. Antennal segments III–VI clear yellow; mid and hind tarsi as dark brown as tibiae; fore tarsus with tooth in both sexes; antennal segment III about 65 microns long, 2.5 times as long as wide.............................................. jordani

-. Antennal segments IV–VI light brown, III paler; mid and hind tarsi paler than tibiae; fore tarsal tooth absent or minute in both sexes; antennal segment III less than 50 microns long, 1.6 times as long as wide............................ imperatae

10. Fore wing sub-basal setae S3 very long and finely pointed, at least as long as basal width of wing; fore tarsus of female with hook-like tooth at inner apex ( Fig. 13 ); mid and hind tarsi as dark as tibiae....................................... 11

-. Fore wing sub-basal setae S3 not so long; fore tarsal tooth of female not hook-like; mid and hind tarsi usually paler than tibiae, sometimes yellow.................................................................................... 12

11. Fore wing uniformly grey; epimeral setae 95 microns, postocular setae 60 microns......................... fumipennis

-. Fore wing uniformly pale; epimeral and postocular setae no more than 40 microns long ( Fig. 9 )................... certus

12. Major pronotal setae including epimerals dark ( Fig. 8 ); fore wing shaded base short, scarcely reaching sub-basal setae S1, setae S3 pointed; stylets retracted to po setae................................................................ anceps

-. Major pronotal setae including epimerals pale ( Fig. 7 ); fore wing shaded base extending at least to sub-basal setae S2, setae S3 capitate; stylets wider apart and lower........................................................... ganglebaueri

Figures

FIGURES 1–8. Haplothrips species. H. aliceae (holotype) 1–5: (1) head & pronotum; (2) metanotum & pelta; (3) antenna; (4) prosternites; (5) mesonotum & wing base. Pronotum 6–8: (6) H. timori (holotype); (7) H. ganglebaueri; (8) H. anceps.

FIGURES 9–18. Haplothrips species. (9) H. certus head & pronotum; (10) H. anceps head & pronotum; (11) H. jordani head; (12) H. timori head; (13) H. certus fore tarsus. Antenna 14–17: (14) H. certus; (15) H. anceps; (16) H. ganglebaueri; (17) H. gowdeyi. (18) H. incognitus (type).